The Bombardier Embrio makes the Segway look old school by relying on only one wheel while in motion, though a second smaller wheel does deploy at speeds below 12 mph. The Embrio uses gryoscope technology similar to the Segway’s to keep its rider balanced, but adds a futuristic hydrogen fuel-cell motor and an active suspension with variable damping. Looking for all intents and purposes like an emasculated motorcycle, the Embio weighs a mere 360 pounds.